/**

  * @file

  * VP5 and VP6 compatible video decoder (common data)
  *
  * Copyright (C) 2006  Aurelien Jacobs <aurel@gnuage.org>
  *

  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or

  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *

  * FFmpeg is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public

  * License along with FFmpeg; if not, write to the Free Software

  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  */
 

 #ifndef AVCODEC_VP56DATA_H
 #define AVCODEC_VP56DATA_H

 #include "libavutil/common.h"

 
 typedef enum {

     VP56_FRAME_NONE     =-1,

     VP56_FRAME_CURRENT  = 0,
     VP56_FRAME_PREVIOUS = 1,
     VP56_FRAME_GOLDEN   = 2,

     VP56_FRAME_GOLDEN2  = 3,
     VP56_FRAME_UNUSED   = 4,
     VP56_FRAME_UNUSED2  = 5,

 } VP56Frame;

 
 typedef enum {
     VP56_MB_INTER_NOVEC_PF = 0,  /**< Inter MB, no vector, from previous frame */
     VP56_MB_INTRA          = 1,  /**< Intra MB */
     VP56_MB_INTER_DELTA_PF = 2,  /**< Inter MB, above/left vector + delta, from previous frame */
     VP56_MB_INTER_V1_PF    = 3,  /**< Inter MB, first vector, from previous frame */
     VP56_MB_INTER_V2_PF    = 4,  /**< Inter MB, second vector, from previous frame */
     VP56_MB_INTER_NOVEC_GF = 5,  /**< Inter MB, no vector, from golden frame */
     VP56_MB_INTER_DELTA_GF = 6,  /**< Inter MB, above/left vector + delta, from golden frame */
     VP56_MB_INTER_4V       = 7,  /**< Inter MB, 4 vectors, from previous frame */
     VP56_MB_INTER_V1_GF    = 8,  /**< Inter MB, first vector, from golden frame */
     VP56_MB_INTER_V2_GF    = 9,  /**< Inter MB, second vector, from golden frame */

 } VP56mb;

 
 typedef struct {
   int8_t val;
   int8_t prob_idx;

 } VP56Tree;

 extern const uint8_t vp56_b2p[];

 extern const uint8_t vp56_b6to4[];
 extern const uint8_t vp56_coeff_parse_table[6][11];
 extern const uint8_t vp56_def_mb_types_stats[3][10][2];

 extern const VP56Tree vp56_pva_tree[];
 extern const VP56Tree vp56_pc_tree[];

 extern const uint8_t vp56_coeff_bias[];
 extern const uint8_t vp56_coeff_bit_length[];
 

 static const VP56Frame vp56_reference_frame[] = {

     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_NOVEC_PF */
     VP56_FRAME_CURRENT,   /* VP56_MB_INTRA */
     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_DELTA_PF */
     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_V1_PF */
     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_V2_PF */
     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_NOVEC_GF */
     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_DELTA_GF */
     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_4V */
     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_V1_GF */
     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_V2_GF */
 };
 
 static const uint8_t vp56_ac_dequant[64] = {
     94, 92, 90, 88, 86, 82, 78, 74,
     70, 66, 62, 58, 54, 53, 52, 51,
     50, 49, 48, 47, 46, 45, 44, 43,
     42, 40, 39, 37, 36, 35, 34, 33,
     32, 31, 30, 29, 28, 27, 26, 25,
     24, 23, 22, 21, 20, 19, 18, 17,
     16, 15, 14, 13, 12, 11, 10,  9,
      8,  7,  6,  5,  4,  3,  2,  1,
 };
 
 static const uint8_t vp56_dc_dequant[64] = {
     47, 47, 47, 47, 45, 43, 43, 43,
     43, 43, 42, 41, 41, 40, 40, 40,
     40, 35, 35, 35, 35, 33, 33, 33,
     33, 32, 32, 32, 27, 27, 26, 26,
     25, 25, 24, 24, 23, 23, 19, 19,
     19, 19, 18, 18, 17, 16, 16, 16,
     16, 16, 15, 11, 11, 11, 10, 10,
      9,  8,  7,  5,  3,  3,  2,  2,
 };
 
 static const uint8_t vp56_pre_def_mb_type_stats[16][3][10][2] = {
   { { {   9, 15 }, {  32, 25 }, {  7,  19 }, {   9, 21 }, {  1, 12 },
       {  14, 12 }, {   3, 18 }, { 14,  23 }, {   3, 10 }, {  0,  4 }, },
     { {  41, 22 }, {   1,  0 }, {  1,  31 }, {   0,  0 }, {  0,  0 },
       {   0,  1 }, {   1,  7 }, {  0,   1 }, {  98, 25 }, {  4, 10 }, },
     { {   2,  3 }, {   2,  3 }, {  0,   2 }, {   0,  2 }, {  0,  0 },
       {  11,  4 }, {   1,  4 }, {  0,   2 }, {   3,  2 }, {  0,  4 }, }, },
   { { {  48, 39 }, {   1,  2 }, { 11,  27 }, {  29, 44 }, {  7, 27 },
       {   1,  4 }, {   0,  3 }, {  1,   6 }, {   1,  2 }, {  0,  0 }, },
     { { 123, 37 }, {   6,  4 }, {  1,  27 }, {   0,  0 }, {  0,  0 },
       {   5,  8 }, {   1,  7 }, {  0,   1 }, {  12, 10 }, {  0,  2 }, },
     { {  49, 46 }, {   3,  4 }, {  7,  31 }, {  42, 41 }, {  0,  0 },
       {   2,  6 }, {   1,  7 }, {  1,   4 }, {   2,  4 }, {  0,  1 }, }, },
   { { {  21, 32 }, {   1,  2 }, {  4,  10 }, {  32, 43 }, {  6, 23 },
       {   2,  3 }, {   1, 19 }, {  1,   6 }, {  12, 21 }, {  0,  7 }, },
     { {  26, 14 }, {  14, 12 }, {  0,  24 }, {   0,  0 }, {  0,  0 },
       {  55, 17 }, {   1,  9 }, {  0,  36 }, {   5,  7 }, {  1,  3 }, },
     { {  26, 25 }, {   1,  1 }, {  2,  10 }, {  67, 39 }, {  0,  0 },
       {   1,  1 }, {   0, 14 }, {  0,   2 }, {  31, 26 }, {  1,  6 }, }, },
   { { {  69, 83 }, {   0,  0 }, {  0,   2 }, {  10, 29 }, {  3, 12 },
       {   0,  1 }, {   0,  3 }, {  0,   3 }, {   2,  2 }, {  0,  0 }, },
     { { 209,  5 }, {   0,  0 }, {  0,  27 }, {   0,  0 }, {  0,  0 },
       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
     { { 103, 46 }, {   1,  2 }, {  2,  10 }, {  33, 42 }, {  0,  0 },
       {   1,  4 }, {   0,  3 }, {  0,   1 }, {   1,  3 }, {  0,  0 }, }, },
   { { {  11, 20 }, {   1,  4 }, { 18,  36 }, {  43, 48 }, { 13, 35 },
       {   0,  2 }, {   0,  5 }, {  3,  12 }, {   1,  2 }, {  0,  0 }, },
     { {   2,  5 }, {   4,  5 }, {  0, 121 }, {   0,  0 }, {  0,  0 },
       {   0,  3 }, {   2,  4 }, {  1,   4 }, {   2,  2 }, {  0,  1 }, },
     { {  14, 31 }, {   9, 13 }, { 14,  54 }, {  22, 29 }, {  0,  0 },
       {   2,  6 }, {   4, 18 }, {  6,  13 }, {   1,  5 }, {  0,  1 }, }, },
   { { {  70, 44 }, {   0,  1 }, {  2,  10 }, {  37, 46 }, {  8, 26 },
       {   0,  2 }, {   0,  2 }, {  0,   2 }, {   0,  1 }, {  0,  0 }, },
     { { 175,  5 }, {   0,  1 }, {  0,  48 }, {   0,  0 }, {  0,  0 },
       {   0,  2 }, {   0,  1 }, {  0,   2 }, {   0,  1 }, {  0,  0 }, },
     { {  85, 39 }, {   0,  0 }, {  1,   9 }, {  69, 40 }, {  0,  0 },
       {   0,  1 }, {   0,  3 }, {  0,   1 }, {   2,  3 }, {  0,  0 }, }, },
   { { {   8, 15 }, {   0,  1 }, {  8,  21 }, {  74, 53 }, { 22, 42 },
       {   0,  1 }, {   0,  2 }, {  0,   3 }, {   1,  2 }, {  0,  0 }, },
     { {  83,  5 }, {   2,  3 }, {  0, 102 }, {   0,  0 }, {  0,  0 },
       {   1,  3 }, {   0,  2 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
     { {  31, 28 }, {   0,  0 }, {  3,  14 }, { 130, 34 }, {  0,  0 },
       {   0,  1 }, {   0,  3 }, {  0,   1 }, {   3,  3 }, {  0,  1 }, }, },
   { { { 141, 42 }, {   0,  0 }, {  1,   4 }, {  11, 24 }, {  1, 11 },
       {   0,  1 }, {   0,  1 }, {  0,   2 }, {   0,  0 }, {  0,  0 }, },
     { { 233,  6 }, {   0,  0 }, {  0,   8 }, {   0,  0 }, {  0,  0 },
       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  1 }, {  0,  0 }, },
     { { 171, 25 }, {   0,  0 }, {  1,   5 }, {  25, 21 }, {  0,  0 },
       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  0 }, {  0,  0 }, }, },
   { { {   8, 19 }, {   4, 10 }, { 24,  45 }, {  21, 37 }, {  9, 29 },
       {   0,  3 }, {   1,  7 }, { 11,  25 }, {   0,  2 }, {  0,  1 }, },
     { {  34, 16 }, { 112, 21 }, {  1,  28 }, {   0,  0 }, {  0,  0 },
       {   6,  8 }, {   1,  7 }, {  0,   3 }, {   2,  5 }, {  0,  2 }, },
     { {  17, 21 }, {  68, 29 }, {  6,  15 }, {  13, 22 }, {  0,  0 },
       {   6, 12 }, {   3, 14 }, {  4,  10 }, {   1,  7 }, {  0,  3 }, }, },
   { { {  46, 42 }, {   0,  1 }, {  2,  10 }, {  54, 51 }, { 10, 30 },
       {   0,  2 }, {   0,  2 }, {  0,   1 }, {   0,  1 }, {  0,  0 }, },
     { { 159, 35 }, {   2,  2 }, {  0,  25 }, {   0,  0 }, {  0,  0 },
       {   3,  6 }, {   0,  5 }, {  0,   1 }, {   4,  4 }, {  0,  1 }, },
     { {  51, 39 }, {   0,  1 }, {  2,  12 }, {  91, 44 }, {  0,  0 },
       {   0,  2 }, {   0,  3 }, {  0,   1 }, {   2,  3 }, {  0,  1 }, }, },
   { { {  28, 32 }, {   0,  0 }, {  3,  10 }, {  75, 51 }, { 14, 33 },
       {   0,  1 }, {   0,  2 }, {  0,   1 }, {   1,  2 }, {  0,  0 }, },
     { {  75, 39 }, {   5,  7 }, {  2,  48 }, {   0,  0 }, {  0,  0 },
       {   3, 11 }, {   2, 16 }, {  1,   4 }, {   7, 10 }, {  0,  2 }, },
     { {  81, 25 }, {   0,  0 }, {  2,   9 }, { 106, 26 }, {  0,  0 },
       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, }, },
   { { { 100, 46 }, {   0,  1 }, {  3,   9 }, {  21, 37 }, {  5, 20 },
       {   0,  1 }, {   0,  2 }, {  1,   2 }, {   0,  1 }, {  0,  0 }, },
     { { 212, 21 }, {   0,  1 }, {  0,   9 }, {   0,  0 }, {  0,  0 },
       {   1,  2 }, {   0,  2 }, {  0,   0 }, {   2,  2 }, {  0,  0 }, },
     { { 140, 37 }, {   0,  1 }, {  1,   8 }, {  24, 33 }, {  0,  0 },
       {   1,  2 }, {   0,  2 }, {  0,   1 }, {   1,  2 }, {  0,  0 }, }, },
   { { {  27, 29 }, {   0,  1 }, {  9,  25 }, {  53, 51 }, { 12, 34 },
       {   0,  1 }, {   0,  3 }, {  1,   5 }, {   0,  2 }, {  0,  0 }, },
     { {   4,  2 }, {   0,  0 }, {  0, 172 }, {   0,  0 }, {  0,  0 },
       {   0,  1 }, {   0,  2 }, {  0,   0 }, {   2,  0 }, {  0,  0 }, },
     { {  14, 23 }, {   1,  3 }, { 11,  53 }, {  90, 31 }, {  0,  0 },
       {   0,  3 }, {   1,  5 }, {  2,   6 }, {   1,  2 }, {  0,  0 }, }, },
   { { {  80, 38 }, {   0,  0 }, {  1,   4 }, {  69, 33 }, {  5, 16 },
       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  1 }, {  0,  0 }, },
     { { 187, 22 }, {   1,  1 }, {  0,  17 }, {   0,  0 }, {  0,  0 },
       {   3,  6 }, {   0,  4 }, {  0,   1 }, {   4,  4 }, {  0,  1 }, },
     { { 123, 29 }, {   0,  0 }, {  1,   7 }, {  57, 30 }, {  0,  0 },
       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  1 }, {  0,  0 }, }, },
   { { {  16, 20 }, {   0,  0 }, {  2,   8 }, { 104, 49 }, { 15, 33 },
       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, },
     { { 133,  6 }, {   1,  2 }, {  1,  70 }, {   0,  0 }, {  0,  0 },
       {   0,  2 }, {   0,  4 }, {  0,   3 }, {   1,  1 }, {  0,  0 }, },
     { {  13, 14 }, {   0,  0 }, {  4,  20 }, { 175, 20 }, {  0,  0 },
       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, }, },
   { { { 194, 16 }, {   0,  0 }, {  1,   1 }, {   1,  9 }, {  1,  3 },
       {   0,  0 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
     { { 251,  1 }, {   0,  0 }, {  0,   2 }, {   0,  0 }, {  0,  0 },
       {   0,  0 }, {   0,  0 }, {  0,   0 }, {   0,  0 }, {  0,  0 }, },
     { { 202, 23 }, {   0,  0 }, {  1,   3 }, {   2,  9 }, {  0,  0 },
       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, }, },
 };
 
 static const uint8_t vp56_filter_threshold[] = {
     14, 14, 13, 13, 12, 12, 10, 10,
     10, 10,  8,  8,  8,  8,  8,  8,
      8,  8,  8,  8,  8,  8,  8,  8,
      8,  8,  8,  8,  8,  8,  8,  8,
      8,  8,  8,  8,  7,  7,  7,  7,
      7,  7,  6,  6,  6,  6,  6,  6,
      5,  5,  5,  5,  4,  4,  4,  4,
      4,  4,  4,  3,  3,  3,  3,  2,
 };
 
 static const uint8_t vp56_mb_type_model_model[] = {
     171, 83, 199, 140, 125, 104,
 };
 

 static const VP56Tree vp56_pmbtm_tree[] = {

     { 4, 0},
     { 2, 1}, {-8}, {-4},
     { 8, 2},
     { 6, 3},
     { 4, 4},
     { 2, 5}, {-24}, {-20}, {-16}, {-12}, {-0},
 };
 

 static const VP56Tree vp56_pmbt_tree[] = {

     { 8, 1},
     { 4, 2},
     { 2, 4}, {-VP56_MB_INTER_NOVEC_PF}, {-VP56_MB_INTER_DELTA_PF},
     { 2, 5}, {-VP56_MB_INTER_V1_PF},    {-VP56_MB_INTER_V2_PF},
     { 4, 3},
     { 2, 6}, {-VP56_MB_INTRA},          {-VP56_MB_INTER_4V},
     { 4, 7},
     { 2, 8}, {-VP56_MB_INTER_NOVEC_GF}, {-VP56_MB_INTER_DELTA_GF},
     { 2, 9}, {-VP56_MB_INTER_V1_GF},    {-VP56_MB_INTER_V2_GF},
 };
 
 /* relative pos of surrounding blocks, from closest to farthest */
 static const int8_t vp56_candidate_predictor_pos[12][2] = {
     {  0, -1 },
     { -1,  0 },
     { -1, -1 },
     {  1, -1 },
     {  0, -2 },
     { -2,  0 },
     { -2, -1 },
     { -1, -2 },
     {  1, -2 },
     {  2, -1 },
     { -2, -2 },
     {  2, -2 },
 };
 

 #endif /* AVCODEC_VP56DATA_H */